棉花塑膜地面覆盖栽培的经济效益分析

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【正】 利用塑料薄膜地面覆盖栽培,是一项新兴的农业栽培技术。在农业生产比较先进的国家已经广泛应用,引入我国农业上应用也有几年的历史,开始运用于蔬菜类作物的覆盖栽培,近年来又运用到经济作物和药用怍物的覆盖栽培,1981年新疆石河子垦区推广到大面积的棉花覆盖栽培。大量科学实验和生产实践证明,塑料薄膜地面覆盖栽培(简
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